highaltitude.log.20121225

[00:00] <Upu> SMD ftw
[00:00] <kiwi_85364> im assuming theres some conversion to work out what ohm res. i should be using?
[00:00] <daveake-tab> SMD ftnon-blind
[00:01] <navrac> Merry Christmas everyone
[00:01] <Upu> indeed it is
[00:01] <Upu> and you
[00:02] <Lunar_Lander> merry christmas!
[00:02] <kiwi_85364> merry christmas :)
[00:02] <Upu> Lunars already been there an hour
[00:02] <Upu> hell Darkside will be opening his presents now :)
[00:02] <gonzo__> been there all day
[00:02] <arko> something navidad
[00:02] <arko> everyone!
[00:03] <kiwi_85364> hmm. if ive been using 4.7ohm resistor, what is the unit for the 4.7k on the tutorial? or am i missing something obvious
[00:03] <Upu> 4.7k = 4700ohms
[00:03] <daveake-tab> K = 1000
[00:03] <Upu> normally written 4K7
[00:04] <kiwi_85364> ah right yes, i see where ive gone wrong now
[00:05] Action: kiwi_85364 attempts again
[00:05] <Lunar_Lander> Upu, fun fact
[00:05] <Lunar_Lander> xmas starts on the 24th in germaqny
[00:05] <Lunar_Lander> germany
[00:05] <Lunar_Lander> xD
[00:05] <arko> i know there's some other conversations going on here, but i'll keep this question to the side. I've been debating this thought in my head for the last 10 minutes. Is it smarter to thermally couple all electronics(like thermally couple two transmitting radios and your microprocessor board, etc) or better to leave them independently thermally isolated?
[00:06] <Upu> Fun fact it starts about the 19th of October in the UK
[00:06] <Upu> if you go by the TV adverts
[00:06] <Lunar_Lander> xD
[00:06] <kiwi_85364> and some peopels decorations going up..
[00:06] <kiwi_85364> annoyingly
[00:06] <daveake-tab> arko no need
[00:06] <arko> btw, i ask this for independent radios, so one radio failing wont effect the other
[00:06] <arko> im thinking no need either
[00:07] <arko> my fear with it coupling is that if one does fail and goes cold, the "clump" will have to heat dead hardware
[00:07] <Upu> this for a balloon ?
[00:07] <arko> as long as all electronics are independently rated to self sustain heat it should be fine
[00:07] <arko> yes
[00:07] <arko> hab payload
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[00:07] <arko> sorry if im over thinking everything here
[00:07] <Upu> I think it will be fine just as before insulate
[00:08] <daveake-tab> You are :-)
[00:08] <daveake-tab> So long as you insulate it'll be fine
[00:08] <Upu> Dave's Pi payload nearly over heated
[00:08] <Upu> no air up there
[00:09] <daveake-tab> Yeah that used a lot of power
[00:09] <daveake-tab> 5W
[00:10] <kiwi_85364> right, new resistors in place, will see how these go. the voltage going into the ntx2 shoots up to 4.8 volts despite the spec saying it only takes 3, is this normal?
[00:11] <kiwi_85364> going into the txd pin, rather
[00:11] <Upu> the NTX2 has its own built in regulator (2.7v)
[00:11] <kiwi_85364> ok
[00:12] <daveake-tab> What value is the other resistor?
[00:12] <daveake-tab> The one going to the processor
[00:12] <Upu> http://ready.arl.noaa.gov/hysplitout/16607_trj001.gif
[00:13] <arko> yeah
[00:13] <arko> over heating it a big worry when it comes to batteries
[00:13] <arko> but i think the lithiums will be ok
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[00:13] <arko> everyone seems to use them and the temp rating looks great
[00:13] <Upu> they should be fine
[00:13] <Upu> relatively large mass
[00:13] <arko> yeah
[00:13] <arko> why did it over heat btw?
[00:14] <arko> power amp? voltage reg?
[00:14] <arko> they way i see it, im going to coat the board and have heat somewhat evenly distributed
[00:14] <daveake-tab> 5W half of which was in a regulator
[00:14] <arko> jesus
[00:15] <arko> well i have mine at a 2W max
[00:15] <daveake-tab> Now changed for SMPS
[00:15] <arko> no voltage regulator though
[00:15] <arko> battery is directly to the power amp
[00:15] <arko> then a 12v to 5v regulator that barely draws current
[00:15] <arko> like 0.01amps
[00:15] <Upu> Bill Brown, who knows a thing or two about HAB, just wraps payloads in bubble wrap
[00:15] <arko> the bubble wrap doesn't pop?
[00:15] <Upu> I did it for $$TRUSS on LOHAN and the radio was rock solid
[00:15] <Upu> doesn't appear too
[00:16] <arko> wtf
[00:16] <arko> thats crazy
[00:16] <eroomde> they are quite porous
[00:16] <arko> i haven't done any calculations, but intuatively you'd think
[00:16] <Upu> stretches I guess
[00:16] <arko> intuitively*
[00:16] <Upu> I've not had a payload back to confirm
[00:16] <eroomde> :)
[00:16] <arko> heh, just hope it doesn't crush your board, so dont wrap too tight ay?
[00:17] <eroomde> we flew a couple of things in jiffy bags
[00:17] <arko> aww
[00:17] <eroomde> same deal
[00:17] <Upu> I doubt it would exert enough force to damage a PCB
[00:17] <eroomde> complete with stamp and address if someone found it
[00:17] <daveake-tab> Nope
[00:17] <arko> joking
[00:17] <arko> eroomde: no recovery?
[00:17] <Upu> tbh arko just make your electronics, wrap them up and send them up
[00:17] <eroomde> not on these ones
[00:17] <daveake-tab> You're removing 1 atmosphere for a start
[00:18] <eroomde> they were one way missions
[00:18] <arko> oh ok
[00:18] <eroomde> with a badgercub which was (at the time) a small tracker
[00:18] <arko> Upu: i know, i just want to do it right you know?
[00:18] <Upu> Oh I know but you can get hung up on the small details
[00:18] <arko> i want tangleable tests/calcs
[00:18] <Upu> I know where you're coming from
[00:18] <arko> yeah i know
[00:19] <Upu> I get really anal about PCB's and start messing round for the sake of 0.5mm
[00:19] <arko> but there is a flow chart of everything that needs to get done, and a good "forest" over view
[00:19] <arko> overview*
[00:19] <arko> i know im just looking at a "tree" here
[00:19] <arko> but it's an important tree
[00:19] <arko> that can lead to failure if not properly tested/calculated
[00:20] <Upu> thats fair
[00:20] <arko> :)
[00:20] <arko> i have until march
[00:20] <Upu> however these aren't going to Mars :)
[00:20] <arko> small amount of time
[00:20] <arko> it's all about doing it right :)
[00:20] <arko> haha true
[00:20] <arko> im trying to see if i can sneak the equiptment into our EMC testing facility
[00:20] <arko> but it's probably a no
[00:21] <eroomde> i did do the temp somes once
[00:22] <eroomde> power dissipated in a cube, cube wall temp conductivity, assume one hemisphere is 3K, the other is 220K
[00:22] <eroomde> add in the sun
[00:22] <arko> ah IR
[00:22] <eroomde> the numbers that came out were sane
[00:22] <arko> heh
[00:22] <eroomde> yeah purely IR
[00:23] <arko> time to boot up comsol and try this :)
[00:23] <eroomde> well, radiatative
[00:23] <arko> yeah, anything radiating really
[00:23] <arko> <3 comsol
[00:23] <eroomde> i just had pencil and paper :)
[00:23] <eroomde> 2nd year thermo exam revision
[00:24] <arko> :)
[00:24] <arko> i do like pencil and paper
[00:25] <arko> i also like colored 3d results
[00:25] <eroomde> especially with a rotrig rapid pro 0.5mm
[00:25] <arko> story of my life :(
[00:25] <arko> dude did you get it?
[00:25] <eroomde> yup
[00:25] <arko> nice!
[00:25] <eroomde> did some sums with it this afternoon
[00:25] <eroomde> i've got hooked on project euler
[00:26] <arko> oh no
[00:26] <arko> dude, thats a drug
[00:26] <eroomde> i am helping tutor this kid, he's having a go at them
[00:26] <eroomde> i could answer most of his initial questions without doing them myself
[00:26] <eroomde> but then the questions started making me think i should really have a go
[00:26] <eroomde> and now i am
[00:27] <zyp> project euler is fun
[00:27] <eroomde> i'm pacing myself
[00:27] <arko> good
[00:27] <eroomde> no more than 5 at a time
[00:27] <arko> dude, i got addicted
[00:27] <eroomde> otherwise i get antisocial
[00:28] <arko> ^ story of my life
[00:28] <zyp> hmm, I've only solved 22 of them
[00:28] <eroomde> it's been really fun
[00:29] <zyp> it's a few years since I did them
[00:29] <eroomde> eg i enjoyed a lot the super sexy sieve of erothfhdkjfhdknes
[00:29] <eroomde> that you can keep running indefinitely
[00:29] <Lunar_Lander> sieve of Heron?
[00:29] <eroomde> no
[00:30] <zyp> hmm, I've done 1-20 and 67
[00:30] <zyp> 1-20, 24 and 67
[00:30] <arko> eroomde: http://i.imgur.com/6JtZl.jpg
[00:31] <eroomde> haha
[00:31] <zyp> I think it got tedious after the first 20, and then I did two random ones before I fell off
[00:31] <eroomde> i will probably slow down
[00:31] <arko> that gun metal makes for an excellent pencil
[00:31] <eroomde> but one does come across little happy nuggets
[00:32] <arko> what language did you guys use?
[00:32] <eroomde> if you really have a go at making it super fast, i've found that the most valuable learning experience
[00:32] <arko> i did C, which i kinda regret for some of these
[00:32] <eroomde> python
[00:32] <arko> yeah
[00:32] <arko> with big number stuff
[00:32] <zyp> python for me too
[00:32] <arko> would have been so much easier
[00:32] <arko> <-- dumbass
[00:33] <eroomde> eg the first triangular number with > 500 divisors
[00:33] <eroomde> spent some time on that
[00:33] <eroomde> got it to run in a few ms
[00:33] <zyp> python has always been my go-to language for day to day stuff
[00:34] <eroomde> same
[00:34] <eroomde> and its nice that all the solutions to these problems can be got at quickly by good algorithms
[00:35] <eroomde> never a question of needing to switch to C for speed
[00:36] <eroomde> here is the fast sieve generator
[00:36] <eroomde> https://github.com/StephenWeber/euler-solutions/blob/master/eratosthenes.py
[00:36] <zyp> maybe I'll do a couple now
[00:36] <eroomde> can indefinitely keep spitting out primes, memory of the dict of primes doesn't grow too much
[00:36] <zyp> suggest a fun one
[00:37] <eroomde> i have only done the first 20 (only started on wed and limiting to 5 a day as i said) so can;t recommend any you won;t have done
[00:37] <zyp> ah
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[00:44] <arko> eroomde: figured i'd ask, do know know any good styrofoam or styrofoam like materials that are ideal for habs?
[00:44] <arko> possibly boxes? or sheets and recommended glue?
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[00:51] <Upu> Uhu Por
[00:51] <eroomde> the things they use to post fish and icecream are good
[00:51] <eroomde> pre-formed boxes
[00:51] <Upu> http://ukhas.org.uk/guides:materials
[00:51] <eroomde> http://www.lanepackaging.com/store/products/moulded-polystyrene-cold-boxes
[00:52] <eroomde> nice when they come with a snug fitting lid
[00:54] <arko> oh nice
[00:54] <arko> both those links, thanks
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[01:06] <kiwi_85364> ok, finally got the voltage a lot closer between high and low going intot he ntx2 now, using completely different resistors than in the tutorial though
[01:06] <kiwi_85364> just gotta figure out why its not decoding very well now..
[01:07] <Upu> whats the gap in hz between the low and high tones ?
[01:07] <kiwi_85364> would that eb the 'carrier shift' in fldigi?
[01:08] <kiwi_85364> as thats currently 640
[01:08] <Upu> yes
[01:09] <kiwi_85364> reading that pagei should try lower that
[01:10] <Upu> it should
[01:10] <Upu> but 640 will still decode
[01:10] <Upu> if your shift is set right
[01:10] <Upu> keep playing with it, I'm calling it a night
[01:10] <kiwi_85364> thanks for your help :)
[01:10] <kiwi_85364> refreshing for an irc channel ;)
[01:11] <Upu> happy christmas/satunalia/holiday/Tuesday
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[01:12] <kiwi_85364> if anyone else is around - how would i go about debugging decoding issues? im currently getting around 50% of the messages sent
[01:22] <kiwi_85364> hmm, changing to 300 baud has improved it a fair bit, would have thought the lower baud would be better for that
[01:27] <Lunar_Lander> thanks Upu !
[01:28] <gonzo__> chabging the baud rate from what?
[01:29] <kiwi_85364> from 50
[01:30] <gonzo__> from 50 up to 300bd improved things?
[01:30] <kiwi_85364> correct
[01:30] <kiwi_85364> nothing else had changed..
[01:30] <gonzo__> that does suprise me!
[01:30] <gonzo__> assumiong this is the rtty telemetry?
[01:30] <kiwi_85364> yea
[01:30] <gonzo__> software or sharware uart?
[01:30] <gonzo__> hardware
[01:31] <kiwi_85364> sorry, uart? (im new to all this ;) )
[01:31] <gonzo__> are us using an internal bit of hardware to create the serial data, or are you toffling an I/O line up and down in software?
[01:32] <gonzo__> fyi, UART = Universal Asyncronous Receiver Transmitter
[01:32] <kiwi_85364> ah, up and down in software
[01:32] <kiwi_85364> arduino/nxt2
[01:33] <gonzo__> ok. Not used an arduino, but understand the basic idea
[01:33] <kiwi_85364> ive been following the example (mostly) from here: http://ukhas.org.uk/guides:linkingarduinotontx2
[01:34] <gonzo__> how are you managing the timing between the data bits?
[01:34] <kiwi_85364> with 50 baud, id say it was decoding around 30% of data. switch to 300 and now around 85% of data
[01:35] <kiwi_85364> its using software based delay() methods in the arduino
[01:35] <gonzo__> tis odd, as usually it gets worse as you go faster (in that case I woudl have suggested a timing error). But better when faster is odd
[01:36] <gonzo__> ah ok, so waiting in loops. Not the best way, but certainly the simple way
[01:36] <gonzo__> can you put a scope on the data out to the ntx
[01:37] <gonzo__> then you can see if the bytes are being framed correctly
[01:37] <kiwi_85364> how do you mean, scope on the data
[01:37] <gonzo__> an oscilloscope
[01:38] <kiwi_85364> ah, that i do not have
[01:38] <gonzo__> on the keying line to the NTX2
[01:38] <gonzo__> ok
[01:38] <gonzo__> also, are you getting error is decoded bytes, or in whole packet decodes?
[01:38] <kiwi_85364> i guess its easier if i show example, let me paste a snippet somewhere
[01:39] <kiwi_85364> http://pastebin.com/1s94ATew
[01:39] <kiwi_85364> correct line being "wat wat wat darren*04A2"
[01:41] <gonzo__> looks like it could be getting out of sync, as some lines not only have corrupt characters, but blocks of missing bytes
[01:41] <kiwi_85364> so that would be the timing issue you mentioned
[01:42] <gonzo__> not if it is worse on slower baud rates
[01:42] <gonzo__> at least not in the same way
[01:42] <gonzo__> you using the example code from that ukhas page?
[01:43] <kiwi_85364> yea
[01:43] <gonzo__> you have the fldigi set to 2 stop bits?
[01:43] <kiwi_85364> yep, 2 stop bits
[01:43] <gonzo__> try setting fldigi to 1 stop, but leave 2 in the code
[01:45] <kiwi_85364> probably slightly worse off: http://pastebin.com/9ryXWU42
[01:46] <gonzo__> hmmm, tis odd
[01:47] <kiwi_85364> any pointers as to where i could start looking into? even if a long shot
[01:47] <gonzo__> it's not summut silly like local other signals on the same freq?
[01:48] <kiwi_85364> no other signal being picked up if i stop transmitting
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[01:49] <gonzo__> hmmm. Not sure what to suggest then.
[01:49] <gonzo__> I'm assuming the example code works. But others on the chan may be able to confirm that.
[01:50] <kiwi_85364> heh that is a point, im only assuming that too
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[01:51] <gonzo__> worth asking in here tomorrow. Though the replies may be drunk and turky stuffed!
[01:51] <gonzo__> must do the sleep thing
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[01:51] <gonzo__> merry xmas chan
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[01:52] <kiwi_85364> i should do the same.. cheers for help!
[01:52] <gonzo__> you in UK?
[01:54] <kiwi_85364> i am
[01:54] <kiwi_85364> manchester based :)
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[01:58] <Lunar_Lander> oh brian cox!
[01:58] <Lunar_Lander> xD
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[02:16] <kiwi_85364> ahh ive seen this brian guy before :p
[02:17] <kiwi_85364> think i saw a tv show with him melting steel with sunlight
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[02:35] <Lunar_Lander> xD
[02:48] <KT5TK> Merry Christmas everyone! http://kt5tk.tkrahn.com/downloads/PecanPico/xmas.jpeg
[02:53] <Lunar_Lander> COOL!
[02:53] <Lunar_Lander> merry christmas!
[02:53] <arko> hahaha
[02:57] <Lunar_Lander> good night!
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[03:03] <SpeedEvil> :-)
[03:03] <SpeedEvil> merry Xmas everyone!
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[03:25] <arko> oh sketchfab is cool
[03:27] <arko> https://sketchfab.com/show/fT86GMAez5ua3QJrZ6lGxOpZD3D
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[03:51] <KT5TK> I like how you can zoom in and see the inside
[03:56] <arko> dude
[03:56] <arko> thats cool
[03:56] <arko> i didnt realize
[03:56] <arko> haha!
[04:18] <SpeedEvil> ui fail on tablets :-)
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[05:46] <arko> eroomde: just saw the f
[05:46] <arko> Flight club episode
[05:47] <arko> Freakin awesome
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[07:10] <arko> bah
[07:10] <arko> damn it
[07:11] <arko> why does the military always have to take the nice flat desert ground in california >:(
[07:11] <arko> really limits landing zones you know
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[07:31] Nick change: niftylettuce__ -> niftylettuce
[07:32] <niftylettuce> what would be a cool tool to have in 2013 for highalt projects?
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[07:48] <SpeedEvil> one of these. https://www.youtube.com/watch?v=B4PEXLODw9c
[07:48] <SpeedEvil> and a CAA waiver
[08:22] SamSilver (2985f4d3@gateway/web/freenode/ip.41.133.244.211) joined #highaltitude.
[08:27] <SamSilver> well it seems like i was a good boy, father xmas brought me a bounty of gifts
[08:29] <SpeedEvil> :-)
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[08:54] <daveake-tab> Merry xmas everyone
[08:55] <MiniMail> u2
[08:56] <number10> merry xmas to you daveake-tab
[08:57] <daveake-tab> Might need a brolly when cooking today
[08:58] <number10> what you doing an xmas BBQ :)
[08:58] <daveake-tab> Yup
[08:58] <number10> looks like will be too windy for pico launch tomorrow
[08:59] <daveake-tab> Shame
[08:59] <number10> also rain in afternoon
[09:00] <daveake-tab> Perhaps I should order some balloons .... might turn up in time for when you do launch
[09:00] <MiniMail> number10: i hope the wind take it here :)
[09:00] <number10> where are you MiniMail
[09:00] <MiniMail> Fin
[09:01] <number10> if we launch on saturday would possibly go finland
[09:01] <MiniMail> :)
[09:01] <daveake-tab> Or the nearest tree
[09:01] <MiniMail> haha :D
[09:01] <MiniMail> if it comes here iam in my car and drifting around
[09:02] <MiniMail> with fwd xD
[09:03] <number10> :)
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[09:06] #highaltitude: mode change '+o jcoxon' by ChanServ!ChanServ@services.
[09:06] Topic changed on #highaltitude by jcoxon!jcoxon@host86-152-174-192.range86-152.btcentralplus.com: Welcome to #highaltitude - discuss anything to do with high altitude projects (balloons, gliders, etc) www.ukhas.org.uk
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[09:42] <jcoxon> wow so much rain
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[09:44] <chrisg7ogx> merry christmas all
[09:45] <number10> merry christmas
[09:45] <number10> looks like rain on and off for most of the week :(
[09:47] <chrisg7ogx> yeah just keeps coming watched depressing prog abt arctic ice melt..can't help thinking there's a connection
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[09:58] <fsphil> I've not dared look outside here yet. it's probably raining
[10:00] <daveake> Not raining here. However the ground is still completely saturatedd
[10:00] <jcoxon> we been having heavy showeres
[10:00] <jcoxon> showers*
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[10:01] <daveake> Chicken and pork now in the BBQ smoker for the next 4-5 hours :)
[10:01] <fsphil> there was a small thunderstorm over london about 30 minutes ago
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[10:05] <Upu> confirming its wet and grey up north
[10:05] <Upu> situation normal
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[10:07] <daveake> :)
[10:07] <daveake> Ah Upu ...
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[10:07] <daveake> ... Santa brought me a Trustfire XM-LT6
[10:07] <daveake> I think it's probably bright enough to light up Yorkshire
[10:07] <Upu> haha
[10:08] <Upu> with 3 cells, 2 only gets you to sheffield
[10:08] <fsphil> just looked outside, and it's actually bright
[10:08] <daveake> Yeah it cam without cells :(
[10:08] <daveake> Currently (sic) running on C's I had around
[10:09] <fsphil> it has much potential then
[10:09] <Upu> oh well should be even brighter
[10:09] <Upu> the LiIons are 3.7 ?
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[10:10] <daveake> Yep
[10:10] <daveake> It has tubes so you can use the thinner (18850?) or thicker (26650?) ones
[10:11] <Upu> yeah but the thinner ones are still 3.7v
[10:11] <daveake> Yep
[10:23] <number10> just saw that james may program - anyone know if the autopilot was one of theose STM32 discovery boards boards
[10:24] <Upu> Ardupilot
[10:24] <number10> ta
[10:24] <number10> I saw steve in the credits - they siad someone was on the hil doing sat tracking - probably him
[10:24] <Upu> he was in the boat apparently
[10:25] <Upu> http://www.flickr.com/photos/16828840@N07/sets/72157632332512954/
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[10:26] <number10> looks like he is managing to have fun :)
[10:30] <Upu> he gets paid for that :)
[10:31] <daveake> Yes, lucky man :)
[10:33] <number10> he has put a lot of effort in, and once you do one or two you get known
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[10:34] <daveake> indeed
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[10:44] <arko> Woah awesome
[10:48] <SpeedEvil> http://www.candlepowerforums.com/vb/forumdisplay.php?107-Smoke-and-Fire-Hot-Cells-and-Close-Calls-The-dangerous-side-of-batteries daveake
[10:49] <SpeedEvil> drilling a little pressure relief hole may be a wise plan
[10:49] <daveake> :)
[10:49] <SpeedEvil> sorry to be a bit negative. :-)
[10:49] <daveake> Many of these things are made by "Ultrafire" or "Trustfire"
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[10:50] <SpeedEvil> indeed.
[10:50] gonzo_mob (~gonzo_mob@213.205.233.28) joined #highaltitude.
[10:50] <SpeedEvil> cells that can vent, inside a sealed metal tube.
[10:50] <daveake> :)
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[10:59] <OZ1SKY_Brian> Hi and Merry christmas everyone
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[11:20] <OZ1SKY_Brian> HAB gone wrong? http://ekstrabladet.dk/nyheder/samfund/article1889348.ece
[11:21] <daveake> "Elvira viser det dyyyyybe blowjob" ??
[11:22] <OZ1SKY_Brian> LOL
[11:23] <OZ1SKY_Brian> just click the ballon video :-)
[11:23] <daveake> I have :)
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[11:31] <fsphil> lol
[11:33] <fsphil> fireworks and a balloon do seem like a stupid combination
[11:33] <OZ1SKY_Brian> hehe yeah
[11:34] <gonzo__> what was it, a payload basket full of firewporks?
[11:34] <OZ1SKY_Brian> looks like it
[11:34] <fsphil> did daveake resist clicking on that link though
[11:35] <OZ1SKY_Brian> Wonder if they had a tracker on it, havent seen it on ../tracker :-)
[11:35] <gonzo__> they could have atleast used H2 to make the hattrick of stupid
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[11:38] <OZ1SKY_Brian> hmm reading mail on the ukhas reflector and notis Travor Cousins christmas greeting "Glædelig jul (merry christmas) Thats in danish.
[11:41] <OZ1SKY_Brian> Wonder if he know danish or have danish relatives
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[12:06] <griffonbot> Received email: Trevor Cousins "[UKHAS] Re: Pico launches sat 15th"
[12:06] <Upu> It's a bit late now but if you do send anything towards Denmark and want it picking up I might be able to help because I live there, in the north of Jutland, the bit closest to the uk.
[12:06] <Upu> is what he just put Brian :)
[12:06] <OZ1SKY_Brian> ahh nice
[12:14] <OZ1SKY_Brian> sent a reply to the list, but nothing shows up
[12:18] <griffonbot> Received email: Brian Hougesen "Re: [UKHAS] Re: Pico launches sat 15th"
[12:18] <Upu> list is moderated
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[12:18] <Upu> fixed
[12:18] <Upu> afk cooking
[12:18] <OZ1SKY_Brian> ah ok
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[12:29] <anerDev> Hi and Merry Christmas !
[12:29] <OZ1SKY_Brian> Merry christmas anerDev
[12:29] <anerDev> I have 2 question, who can help me ?
[12:29] <OZ1SKY_Brian> ask and we´ll see :-)
[12:30] <anerDev> ok.
[12:30] <anerDev> 1 - my gps data logger send the lat/lon with the format ddmm.mmmm
[12:30] <anerDev> there is a plugin for compatibility with google eartg or an excel function to convert this format to dd.dddd ?
[12:32] <OZ1SKY_Brian> sorry i cant, and i think most of the UK folks are at christmas dinners, but you could ask the question at the maling list http://groups.google.com/group/ukhas
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[12:35] <anerDev> perfect !
[12:35] <anerDev> I ask there
[12:35] <OZ1SKY_Brian> ok, im pretty sure someone can help you there
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[15:15] <griffonbot> Received email: =?UTF-8?Q?Andrea_German=C3=A0?= "[UKHAS] ddmm.mmmm to dd.dddd online or with excel"
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[15:25] <griffonbot> Received email: Mike Willis "Re: [UKHAS] ddmm.mmmm to dd.dddd online or with excel"
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[16:20] <jarod> http://x264.nl/dump/fl24-santa.jpg
[16:34] <fsphil> the US appears to be under attack by a swarm of angry aircraft
[16:34] <jarod> yup :)
[16:35] <joph> lol
[16:35] <joph> who called his balloon santa? :D
[16:36] <jarod> :D
[16:38] <joph> maybe it's the burito bomber
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[17:28] <griffonbot> Received email: Trevor Cousins "Re: [UKHAS] Re: Fogging Camera Lenses - Problem?"
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[17:49] <Upu> Yaaic)
[17:49] <Upu> [17:28] <griffonbot> Received email: Trevor Cousins "Re: [UKHAS] Re: Fogging Camera Lenses - Problem?"
[17:49] <Upu> [17:29] * nigelvh__ has joined #highaltitude
[17:49] <Upu> sigh...
[17:49] <Upu> http://www.californianearspaceproject.com/news_cnsp-18.html
[17:51] <Upu> looks like a win from f6agv
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[18:09] <Lunar_Lander> MERRY CHRISTMAS!
[18:11] <daveake> oh wow
[18:11] <daveake> CNSP can get their parachute back :p
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[18:12] <Lunar_Lander> why?
[18:13] <daveake> see mailing list
[18:15] <Lunar_Lander> which thread?
[18:15] <Lunar_Lander> the newest one here is about fogging camera lenses
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[18:20] <daveake> Sorry, GPSL
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[18:21] <daveake> K6RPT-12 recovered in Morocco
[18:26] <SpeedEvil> :-)
[18:31] <fsphil> it's a heavy looking payload :)
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[18:32] <daveake> seasonal humour ... https://fbcdn-sphotos-d-a.akamaihd.net/hphotos-ak-prn1/12093_576094772419980_481324428_n.jpg
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[18:56] <Lunar_Lander> thanks daveake
[18:58] <Lunar_Lander> http://www.californianearspaceproject.com/news_cnsp-18.html
[18:58] <Lunar_Lander> google translator?
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[19:12] <Lunar_Lander> hello mclane
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[19:50] <arko> ahhh
[19:50] <arko> christmas morning
[19:50] <Lunar_Lander> XD
[19:50] <arko> no snow :(
[19:50] <arko> and no giant bow
[19:50] <arko> that's all i've really ever wanted
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[19:53] <Lunar_Lander> :(
[19:54] <arko> it's ok
[19:54] <arko> family pitched in and we all bought ourselves a nice big flat screen tv
[20:03] <Lunar_Lander> COOL
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[20:10] <arko> 3D is pretty cool
[20:10] <Lunar_Lander> :)
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[20:29] <griffonbot> Received email: navrac "[UKHAS] Re: ANU project launch 26/12"
[20:34] <fsphil> one of my nieces got a Nintendo 3DS -- the screen isn't as good as I thought
[20:34] <fsphil> the effect isn't very clear
[20:36] <arko> 3ds was kinda disappointing, but still, a step in the right direction
[20:36] <Lunar_Lander> oh
[20:36] <arko> these glasses are lame
[20:36] <eroomde> i want a christmas film i've not seen before to be on tv
[20:36] <eroomde> i know that's not the point of christmas films
[20:36] <arko> Die Hard is the tradition here
[20:36] <arko> it's a great christmas movie
[20:36] <fsphil> lord of the rings seems to have become a regular christmas feature here
[20:37] <bertrik> "home alone X" here
[20:37] <Lunar_Lander> yea and Rambo too
[20:37] <eroomde> i have seen all of these 20 times
[20:37] <eroomde> gave lord of the rings 5 mins but my stomach is not in the right place
[20:38] <eroomde> downloading adobe lightroom while hunting the schedules
[20:38] <Lunar_Lander> Dirty Harry
[20:38] <fsphil> doctor who wasn't too bad
[20:38] <Lunar_Lander> xD
[20:40] <Lunar_Lander> xD the muppets christmas story
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[20:46] <gonzo_> oh, gods, I'd forgotten about xmas tv
[20:47] <gonzo_> suppose that's all I have for the next few days
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[20:50] <SP9UOB> Hi All
[20:50] <fsphil> hiya SP9UOB
[20:50] <SP9UOB> UPU: Does RFM22 require pull-ups on SPI lines ?
[20:50] <SP9UOB> hi fsphil
[20:51] <SP9UOB> i cant initialize it with pic18 :-(
[20:51] <fsphil> I'm not upu, but I'm pretty sure it doesn't
[20:51] <fsphil> usually it's the master that does that
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[20:52] <SP9UOB> fsphil: my oscilloscope is broken, so im little blind now ;-)
[20:52] <fsphil> actually forget that, the example schematic has no pullups
[20:53] <fsphil> have you got the SDN line pulled down?
[20:53] <SP9UOB> fsphil: SHDN is soldered to GND
[20:53] <Lunar_Lander> BTW do you know what a good christmas show is?
[20:53] <Upu> SP9UOB do you have one of my breakouts ?
[20:53] <Lunar_Lander> the blackadder christmas episode
[20:53] <Lunar_Lander> xD
[20:53] <fsphil> not sure what NSEL should be
[20:54] <SP9UOB> upu: no, my custom board (anyway adopted from my home automation system)
[20:54] <arko> is discovered Black Books
[20:54] <Upu> ok
[20:54] <arko> I discovered*
[20:54] <arko> thats a funny ass show
[20:54] <Upu> back in a few just clearning up
[20:54] <SP9UOB> fsphil: datasheet says NSEL is active low
[20:54] <fsphil> someone got me the boxset of that arko, but I've not managed to watch it yet
[20:54] <arko> :O
[20:54] <number10> SP9UOB: I am driving the rfm with PIC 18 no pull ups
[20:55] <bertrik> perhaps MISO and MOSI swapped?
[20:55] <SP9UOB> 100% sure not swapped :-)
[20:56] <fsphil> I wired up an rfm22b to a raspberry pi yesterday, not got it talking yet
[20:56] <daveake> correct SPI mode?
[20:57] <SP9UOB> daveake: i tried every possible mode
[20:58] <daveake> Well, it's gonna be tricky without a scope
[20:58] <daveake> Check wiring, make sure the speed isn't too high, check the mode, check the commands, make sure you're pulling the right EN line
[20:59] <daveake> Make sure you're programming the right device*
[20:59] <SP9UOB> just have to wait when my o'scope will back from repait
[20:59] <daveake> *My problem last time :)
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[21:00] <number10> output low to enable
[21:00] <SP9UOB> void spi1_init (void) {
[21:00] <SP9UOB> NSEL_TRIS=0; // cyfrowe wyj6cie
[21:00] <SP9UOB> NSEL=1;
[21:00] <SP9UOB> TRISCbits.TRISC3 = 0; // SCK = wyj6cie
[21:00] <SP9UOB> TRISCbits.TRISC4 = 1; // SDI (od strony pica) - Wej6cie
[21:00] <SP9UOB> TRISCbits.TRISC5 = 0; // SDO --//-- - Wyj6cie
[21:00] <SP9UOB> LATCbits.LATC3=0;
[21:00] <SP9UOB> LATCbits.LATC5=0;
[21:00] <SP9UOB> OpenSPI1(SPI_FOSC_64, MODE_00, SMPEND);
[21:00] <SP9UOB> }
[21:00] <SP9UOB> No rocket science here :-)
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[21:00] <bertrik> so SCK is an input?
[21:01] <daveake> o/p
[21:01] <daveake> from the processor that is
[21:01] <SP9UOB> bertrik: output - PIC
[21:01] <SP9UOB> void rfm22_write (unsigned char adres, unsigned char bajt) {
[21:01] <SP9UOB> NSEL=0;
[21:01] <SP9UOB> adres|=0x80; // ZAPIS !
[21:01] <SP9UOB> putcSPI1(adres);
[21:01] <SP9UOB> putcSPI1(bajt);
[21:01] <SP9UOB> NSEL=1;
[21:01] <SP9UOB> }
[21:02] <Upu> right SP9UOB hi
[21:02] <Upu> No
[21:02] <Upu> https://www.dropbox.com/s/8tlm9z2z3h27mq1/picoAva-Rev7LN.pdf
[21:03] <eroomde> pastebin.com
[21:04] <arko> ircbin
[21:04] <arko> hah
[21:06] <arko> "Only measure when the wind is gentle, or do it indoors, otherwise you may find your flight ascends too slowly and thus travels too far, thus possibly ending up in the North Sea (cough)."
[21:06] <arko> haha
[21:07] <number10> SP9UOB: you could add a delay of 1us on your rfm22 _write after NSEL=0
[21:09] <Lunar_Lander> and hi and merry christmas SP9UOB
[21:10] <SP9UOB> number10: ok, i'll try
[21:10] <SP9UOB> number10: just check wiring again... 100% sure is ok
[21:13] <Laurenceb_> happy christmas folks
[21:13] <Laurenceb_> Upu: how do you do the nice net labels in eagle?
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[21:14] <Upu> press label
[21:14] Dan-K2VOL (~Dan-K2VOL@client-208-124-81-40.consolidated.net) joined #highaltitude.
[21:14] <Upu> set the size to 0.05 and the style to the flag
[21:15] <Dan-K2VOL> anyone good at french?
[21:18] <Dan-K2VOL> I'm trying to translate a balloon technical document from french to english, and need a second opinion on the translation
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[21:19] <Upu> Dan mail Alain F6AGV
[21:20] <Laurenceb_> thanks
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[21:29] <SP9UOB> HEHEH its alive :-)
[21:30] <SP9UOB> looks like output buffer is broken
[21:30] <Lunar_Lander> oh
[21:30] <SP9UOB> shorted or so?
[21:30] <SP9UOB> just move to another pin
[21:33] <number10> thats good
[21:37] <Lunar_Lander> xD blackadder
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[21:46] <eroomde> xD tv show
[21:46] <Lunar_Lander> :D
[21:46] <eroomde> you sound like you're having some fun Lunar_Lander
[21:47] <eroomde> a happy evening of tv
[21:47] <Lunar_Lander> yeah, I think I'll get Blackadder Remastered: The Ultimate Collection
[21:47] <arko> http://www.youtube.com/watch?v=lMuJKsUjD_o&feature=youtu.be
[21:49] <bertrik> I like the blackadder episode with the witchsmeller
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[21:58] <jcoxon> http://www.californianearspaceproject.com/news_cnsp-18.html
[21:58] <jcoxon> they recovered it
[21:58] AD7ZJ (~elijah@184-10-155-210.dr01.lhcy.az.frontiernet.net) left irc: Ping timeout: 264 seconds
[21:58] <jcoxon> organised by F6AGV
[22:00] <eroomde> an above agv effort
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[22:00] <Lunar_Lander> yeah
[22:00] <Lunar_Lander> I already retweeted it xD
[22:01] <arko> get
[22:01] <arko> the
[22:01] <arko> hell outta here
[22:01] <arko> wow
[22:01] <Lunar_Lander> ?
[22:01] <arko> i can't believe they got it back!
[22:02] <Lunar_Lander> xD
[22:02] <Lunar_Lander> the text sounds like google translator
[22:03] <arko> heh yeah
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[22:03] <arko> :) this made my smile
[22:03] <eroomde> pot kettle
[22:03] <eroomde> or so
[22:05] <arko> ?
[22:05] <eroomde> nvm
[22:06] <Dan-K2VOL> lol
[22:06] <eroomde> merry xmas Dan-K2VOL
[22:08] <Laurenceb_> arko: you made my christmas
[22:08] <Dan-K2VOL> merry christmas ed :-)
[22:08] <Laurenceb_> merry christmas all :P
[22:08] <Dan-K2VOL> that is quite the recovery story, I'm impressed with the amount of negotiation required
[22:08] <Randomskk> wow yes
[22:08] <Randomskk> sweet recovery
[22:08] <jcoxon> thats morroco for you
[22:09] <arko> Laurenceb_?
[22:09] <Laurenceb_> thats my attitude to twitter too
[22:09] <arko> im so confused
[22:12] <SP9UOB> first recovered transatlantic :-)
[22:17] <arko> huzah!
[22:19] <Lunar_Lander> XD
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[23:22] <Lunar_Lander> evening anthony
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[23:55] <Lunar_Lander> so
[23:55] <Lunar_Lander> got my name on the Bloodhound car
[23:55] <Lunar_Lander> :)
[23:55] <Lunar_Lander> and got a Bloodhound SSC Fin Certificate
[23:57] <Lunar_Lander> Darkside, are you there? if yes I'd like to ask a small question
[23:59] <griffonbot> Received email: gonzo_ "[UKHAS] Re: Bonzo - pico launch Sat 22nd Dec"
[00:00] --- Wed Dec 26 2012